stay with us. cln >> schieffer: joining us on my right, romney campaign adviser bay buchanan. bay, good to have you. republican pollster, frank lutz. plus cbs political director john dickerson, and over on the left, where they're very comfortable, david corn who write for "mother jones" the author of a new ebook called "47%," uncovering the romney video that rockedly the 2012 election. david, of course, is the one who broke that story. and also with us today, katrina vanden heuvel of "the nation" magazine. i want to talk about this libya thing and see what you all think is the political impact of that in a minute. but frank luntz is here, and you did some very interesting research on the vice presidential debate. bring us up to speed on what that was. >> we have done three sessions and they all concluded the same thing, that joe biden did well on the substance, but they were so angry with his style and want more that you split screen the two of them where they could see biden's interruptions and smiling and the laughing, it's funny i actually wrote down on my note, don't inter